Index 11310 Cantilever Sign Structure Design Criteria

Instructions for Design Standards Topic No. 625-010-003-i
Index 11310 Cantilever Sign Structure Fiscal Year 2012/2013
Index 11310 Cantilever Sign Structure
Design Criteria
AASHTO Standard Specifications for Structural Supports for Highway Signs,
Luminaires and Traffic Signals, 5th Edition (LTS-5).; Structures Manual, Volume 9,
FDOT Modifications to LTS-5.; Structures Manual Introduction I.6 References;
Structures Design Guidelines (SDG).
Design Assumptions and Limitations
The maximum span length of Cantilever Sign Structures is 50 feet. See the PPM, Volume
1, Chapter 29 for additional information.
See notes on the Design Standard, Structures Manual Volume 9 and SDG.
Use this Design Standard in conjunction with the FDOT Cantilever Overhead Sign
Program.
Plan Content Requirements
See PPM, Volume 1, Chapters 7 and 29.
Complete the appropriate Cantilever Sign Structures Data Table and include it in the
plans. There is a choice of two tables, one for a sign structure with a flat slab foundation
and the other for a sign structure with a drilled shaft foundation. Much of the data for
inclusion in the table may be found in the FDOT Cantilever Overhead Sign Program
output. Include Design Wind Speed and soils information. See Introduction I.3 for more
information regarding use of Data Tables.
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Instructions for Design Standards Topic No. 625-010-003-i
Index 11310 Cantilever Sign Structure Fiscal Year 2012/2013
Table for use with a Spread Footing Foundation:
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Instructions for Design Standards Topic No. 625-010-003-i
Index 11310 Cantilever Sign Structure Fiscal Year 2012/2013
Table for use with a Drilled Shaft Foundation:
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Instructions for Design Standards Topic No. 625-010-003-i
Index 11310 Cantilever Sign Structure Fiscal Year 2012/2013
Payment
Item number Item description Unit Measure
700-23-ABC Overhead Truss Cantilever Sign AS
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